Location History:
- Chiba, JP (1988 - 2003)
- Yokohama, JP (2005)
Company Filing History:
Years Active: 1988-2005
Title: The Innovative Contributions of Hisayuki Hirai
Introduction: Hisayuki Hirai, an accomplished inventor based in Yokohama, Japan, has made significant strides in the field of electrical engineering. With a total of four patents to his name, Hirai's work demonstrates a profound understanding of materials and mechanical structures, particularly in relation to electric rotating machinery and enameled wire technologies.
Latest Patents: His latest innovations include two notable patents. The first is an advancement in enameled wire technology. This enameled wire is designed to improve the withstand lifetime against surge voltage applications and mitigate thermal degradation, while also minimizing the quantity of inorganic filler materials used. This patented wire comprises an electrically conductive component surrounded by a specially formulated coating made from high molecular compounds mixed with fine flat inorganic filler particles. The second patent pertains to a stator coil support device for electric rotating machinery. This device features a stator core equipped with a slot and an integrated stator coil, along with a wedge member designed to close the slot opening. Notably, the wedge member is inclined toward the axial direction of the stator core, while an elastic plate member is strategically placed between the coil and wedge member, incorporating an undulating structure enhancing performance.
Career Highlights: Hisayuki Hirai is associated with Toshiba Corporation, a global leader in technology and engineering solutions. His tenure at Toshiba has provided him with ample opportunities to innovate and contribute to state-of-the-art electrical solutions. His work exemplifies a commitment to enhancing the reliability and efficiency of electrical machinery.
Collaborations: Hirai collaborates with esteemed colleagues such as Akira Yoshizumi and Kazutaka Matsumoto. Together, they drive innovation within Toshiba, leveraging their combined expertise to advance technologies that benefit the industry and users alike.
Conclusion: Hisayuki Hirai's contributions to the field of electrical engineering, particularly through his patents, showcase how dedicated inventors can influence technology positively. His work not only adds value to Toshiba but also signifies the importance of innovative thinking in developing sustainable and efficient electrical solutions.